Effect of rGO with BaCuO3 perovskite on the thermal decomposition of AP and NTO. Issue 30 (30th June 2022) - Dave, Pragnesh N.
Abstract : The thermal decomposition of AP and NTO was investigated in the presence of rGO, a perovskite structured BaCuO3 catalyst, and composite rGO + BaCuO3 using DTA analysis. These catalysts highly decreased the decomposition peak temperature of AP and NTO compared to pure AP and NTO. Abstract : In this study, the syntheses of a BaCuO3 perovskite-structured oxide and rGO were conducted using a sol–gel method and ultrasonication process, respectively. Their physico-chemical characteristics were studied by powder X-ray diffraction (PXRD), Raman spectroscopy, and ultraviolet-visible (UV-vis) spectroscopy analyses. The perovskite type particles were found to present as a cubic crystal system with a crystal size in the range of 10–60 nm. Their catalytic performance was investigated using differential thermal analysis (DTA) measurements at varying heating rates via the thermal decomposition of ammonium perchlorate (AP) and 3-nitro-1, 2, 4-triazol-5-one (NTO). The kinetics and thermodynamics parameters, such as the average activation energy, pre-exponential factor, entropy, and Gibbs free energy, were also investigated, which showed a decrease in the decomposition peak temperature of AP and NTO in the presence of the catalysts rGO, BaCuO3, and rGO + BaCuO3 compared to pure AP and NTO.